Teikoku Sen-I Co., Ltd.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5109534 Cable communication system with transmission line incorporated in hoseExpiredMar 15, 89Apr 28, 92[F16L, A62C]
5027810 Self-contained emergency breathing apparatusExpiredMar 02, 90Jul 02, 91[A62B]
4913657 Coupling for fire hose with built-in communication cableExpiredJan 04, 89Apr 03, 90[H01R]
4540617 Fabric articles having a flame-resistant coating on at least one surface thereofExpiredNov 29, 84Sep 10, 85[B32B]

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